X25XE does not start

Hello, how easy to recognize I am not only new here, but also gelich looking for help. My Omega Bj.98 suddenly doesn’t start. We have the car turned off quite normally and wanted to go again after about 10min – nothing was. The starter turns, battery is full, foreign start cable brings just as little. I closed the car by means of FB, and also again. MKL does not blink. Oh yes, fuel seems to get the bug, since it at least afterwards “stinks” – candles, timing belts etc. are almost new .. ( so much to the solutions that I have found here so far ) Second key does not work either. Last time I have the problem before, but after ‘the ‘twentieth attempt suddenly all went again… So, let’s start the cheerful guessing …